implement cache/clean api

src/main.rs

@@ -56,6 +56,16 @@ async fn api_block(
     })?))
 }
 
+#[rocket::get("/api/cache/clean")]
+async fn api_cache_clean(list: &State<Arc<List>>) -> Result<Json<Option<Vec<String>>>, Status> {
+    let result = list.cache_clean().await;
+    info!("Clean cache file: {result:?}");
+    Ok(Json(result.map_err(|e| {
+        error!("Could not handle cache clean request: `{e}`");
+        Status::InternalServerError
+    })?))
+}
+
 #[rocket::launch]
 async fn rocket() -> _ {
     env_logger::init();
@@ -91,7 +101,7 @@ async fn rocket() -> _ {
         .manage(Instant::now())
         .mount(
             "/",
-            rocket::routes![index, api_totals, api_allow, api_block],
+            rocket::routes![index, api_totals, api_allow, api_block, api_cache_clean],
         )
 }